KR102249807B1 - 표시장치 및 전원제어장치 - Google Patents

표시장치 및 전원제어장치 Download PDF

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Publication number
KR102249807B1
KR102249807B1 KR1020140141032A KR20140141032A KR102249807B1 KR 102249807 B1 KR102249807 B1 KR 102249807B1 KR 1020140141032 A KR1020140141032 A KR 1020140141032A KR 20140141032 A KR20140141032 A KR 20140141032A KR 102249807 B1 KR102249807 B1 KR 102249807B1
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KR
South Korea
Prior art keywords
power
sensing
voltage
reference power
analog
Prior art date
Application number
KR1020140141032A
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English (en)
Korean (ko)
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KR20160046041A (ko
Inventor
편명진
Original Assignee
엘지디스플레이 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 엘지디스플레이 주식회사 filed Critical 엘지디스플레이 주식회사
Priority to KR1020140141032A priority Critical patent/KR102249807B1/ko
Priority to US14/855,781 priority patent/US9905158B2/en
Priority to CN201510661935.9A priority patent/CN105528981B/zh
Publication of KR20160046041A publication Critical patent/KR20160046041A/ko
Application granted granted Critical
Publication of KR102249807B1 publication Critical patent/KR102249807B1/ko

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • G09G2320/045—Compensation of drifts in the characteristics of light emitting or modulating elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Electroluminescent Light Sources (AREA)
KR1020140141032A 2014-10-17 2014-10-17 표시장치 및 전원제어장치 KR102249807B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020140141032A KR102249807B1 (ko) 2014-10-17 2014-10-17 표시장치 및 전원제어장치
US14/855,781 US9905158B2 (en) 2014-10-17 2015-09-16 Display device and power control device capable of preventing the degradation of image quality
CN201510661935.9A CN105528981B (zh) 2014-10-17 2015-10-14 显示装置和电源控制装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140141032A KR102249807B1 (ko) 2014-10-17 2014-10-17 표시장치 및 전원제어장치

Publications (2)

Publication Number Publication Date
KR20160046041A KR20160046041A (ko) 2016-04-28
KR102249807B1 true KR102249807B1 (ko) 2021-05-10

Family

ID=55749517

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140141032A KR102249807B1 (ko) 2014-10-17 2014-10-17 표시장치 및 전원제어장치

Country Status (3)

Country Link
US (1) US9905158B2 (zh)
KR (1) KR102249807B1 (zh)
CN (1) CN105528981B (zh)

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* Cited by examiner, † Cited by third party
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US9607549B2 (en) * 2014-12-24 2017-03-28 Lg Display Co., Ltd. Organic light emitting diode display panel and organic light emitting diode display device
US10818253B2 (en) * 2015-08-31 2020-10-27 Lg Display Co., Ltd. Display device and method of driving the same
CN105427798B (zh) * 2016-01-05 2018-02-06 京东方科技集团股份有限公司 一种像素电路、显示面板及显示装置
WO2017145494A1 (ja) * 2016-02-25 2017-08-31 ソニー株式会社 アナログデジタル変換器、電子装置およびアナログデジタル変換器の制御方法
CN105679230B (zh) * 2016-04-25 2019-08-16 京东方科技集团股份有限公司 一种显示驱动电路、其驱动方法及显示装置
US10643728B2 (en) 2016-04-25 2020-05-05 Hefei Boe Optoelectronics Technology Co., Ltd. Display driving circuit, driving method thereof, and display device
CN107799045B (zh) * 2016-09-05 2021-07-20 奇景光电股份有限公司 显示面板驱动装置、显示器及其操作方法
KR102597608B1 (ko) * 2016-09-30 2023-11-01 엘지디스플레이 주식회사 유기발광표시장치와 그의 구동방법
KR102565697B1 (ko) * 2016-10-19 2023-08-10 삼성디스플레이 주식회사 표시 장치 및 이의 구동 방법
KR102523171B1 (ko) * 2016-11-03 2023-04-18 주식회사 엘엑스세미콘 디스플레이 장치와 이의 패널 보상 방법
KR102650339B1 (ko) * 2016-12-27 2024-03-21 엘지디스플레이 주식회사 전계 발광 표시 장치
TWI755482B (zh) * 2017-02-20 2022-02-21 日商精工愛普生股份有限公司 驅動器、光電裝置及電子機器
CN106782333B (zh) * 2017-02-23 2018-12-11 京东方科技集团股份有限公司 Oled像素的补偿方法和补偿装置、显示装置
CN106707590A (zh) * 2017-02-27 2017-05-24 深圳市华星光电技术有限公司 显示面板的过温保护系统及过温保护方法
US10372196B2 (en) * 2017-04-01 2019-08-06 Intel Corporation Dynamic pixel density adjustment
KR102335396B1 (ko) * 2017-04-27 2021-12-06 주식회사 엘엑스세미콘 디스플레이 구동 장치 및 이를 포함하는 디스플레이 장치
KR102439194B1 (ko) * 2017-07-24 2022-09-01 엘지디스플레이 주식회사 제어부, 표시장치 및 그의 제어방법
CN110070815B (zh) * 2018-01-22 2022-08-12 矽创电子股份有限公司 显示装置的参考电压产生器
CN108447441B (zh) * 2018-05-10 2019-10-11 京东方科技集团股份有限公司 像素电路及其驱动方法、显示基板、显示装置
JP2020067633A (ja) * 2018-10-26 2020-04-30 セイコーエプソン株式会社 表示コントローラー、表示制御システム、電気光学装置、電子機器及び移動体
CN111583864B (zh) * 2020-06-11 2021-09-03 京东方科技集团股份有限公司 显示驱动电路及其驱动方法、显示装置
US11734436B2 (en) 2021-06-25 2023-08-22 Intel Corporation Organic light emitting diode (OLED) compensation based on protected content
CN115424558A (zh) * 2022-09-22 2022-12-02 厦门天马显示科技有限公司 显示模组、显示装置及驱动方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060038758A1 (en) * 2002-06-18 2006-02-23 Routley Paul R Display driver circuits
US20140139227A1 (en) * 2011-07-04 2014-05-22 Nec Lighting, Ltd. Light-Emitting Element Failure Detector and Method for Detecting Light-Emitting Element Failure

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* Cited by examiner, † Cited by third party
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JPS6365719A (ja) * 1986-09-05 1988-03-24 Nec Corp 映像信号処理装置
KR100327374B1 (ko) 2000-03-06 2002-03-06 구자홍 액티브 구동 회로
SG107573A1 (en) 2001-01-29 2004-12-29 Semiconductor Energy Lab Light emitting device
GB2381643A (en) 2001-10-31 2003-05-07 Cambridge Display Tech Ltd Display drivers
KR100571781B1 (ko) * 2002-08-13 2006-04-18 삼성전자주식회사 디지털 비디오 시스템의 ａ／ｄ 변환장치 및 방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060038758A1 (en) * 2002-06-18 2006-02-23 Routley Paul R Display driver circuits
US20140139227A1 (en) * 2011-07-04 2014-05-22 Nec Lighting, Ltd. Light-Emitting Element Failure Detector and Method for Detecting Light-Emitting Element Failure

Also Published As

Publication number Publication date
KR20160046041A (ko) 2016-04-28
CN105528981A (zh) 2016-04-27
CN105528981B (zh) 2018-09-21
US9905158B2 (en) 2018-02-27
US20160111042A1 (en) 2016-04-21

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